Rubus ursinus Pacific Blackberry, Dewberry Northwest native prickly vine, with long trailing stems rooting at the tip, white flowers, and tasty black berries. Common along the coast and in lowland clearings. Tolerates salt spray in shoreline and bluff plantings. Good for erosion control. Plant Type: Tree or Shrub Provenance(s): 02-Puget Lowland Wetland Status: FACU